CN208655663U - Solar cell module - Google Patents
Solar cell module Download PDFInfo
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- CN208655663U CN208655663U CN201821352813.7U CN201821352813U CN208655663U CN 208655663 U CN208655663 U CN 208655663U CN 201821352813 U CN201821352813 U CN 201821352813U CN 208655663 U CN208655663 U CN 208655663U
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- electrode
- cell module
- solar cell
- out groove
- electrode layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model embodiment is related to technical field of solar batteries, discloses a kind of solar cell module.In the utility model, the electrode lead-out structure of solar cell module includes: glass substrate, and it is set to the solar battery on glass substrate, solar battery includes electrode layer, the extraction electrode of solar battery is formed on electrode layer, it is characterized in that, glass substrate includes the first surface for carrying solar battery, the second surface of solar battery is oppositely arranged and deviated from first surface, and the side of connection first surface and second surface, side is equipped with electrode lead-out groove, electrode lead-out groove runs through first surface and second surface, conducting resinl is filled in electrode lead-out groove, conducting resinl is electrically connected with extraction electrode.While solar cell module provided by the utility model can be improved the product yield and reliability of solar battery, do not reduce the effective area of solar battery, guarantees its light conversion efficiency.
Description
Technical field
The utility model embodiment is related to technical field of solar batteries, in particular to a kind of solar cell module.
Background technique
Current whole world photovoltaic market is based on crystal silicon solar energy battery, but the production technology of high energy consumption causes the energy to provide
Rapidly depleting for source will make society unbearable, will also restrict the more massive development of photovoltaic industry.Therefore, develop it is low at
Originally, novel thin film solar battery is the inexorable trend of the following international photovoltaic industry.CIGS (abbreviation of CuInxGa (1-x) Se2)
Thin-film solar cells is made of the chalcopyrite crystallization of optimal proportion four kinds of Cu (copper), In (indium), Ga (gallium), Se (selenium) elements
Thin-film solar cells is that 6 layers or more compound semiconductors and metal foil coating materials are deposited on glass or other inexpensive substrates, thin
About 3~4 microns of film overall thickness.The battery is at low cost, performance is stable, capability of resistance to radiation is strong, and photoelectric conversion efficiency is currently each
First of kind thin-film solar cells, spectral response range is wide, and output power is higher than other any types too under light intensity rainy days
Positive energy battery, is known as one of most promising Cheap solar energy battery of next epoch in the world.Film in the prior art is too
The way of positive energy battery lead is to use drilling device drill two holes on the central area of GIGS glass, and diameter is 4~5mm.Hole
It is used for after having beaten by electrode from glass when guiding in addition.
At least there are the following problems in the prior art for inventor's discovery: glass punching can instantaneously gather very big heat, if
Punch position is arranged in the central area of glass, glass is be easy to cause to rupture, and then reduces product yield；In glass
The punching of heart district domain can make the edge in hole generate some small crackles, lead to the risk for having rupture in later period use process, in turn
Reduce the reliability of solar battery；The position of glass punching needs to be at least the two of thickness of glass at a distance from glass edge
Times, and diameter is not less than thickness of glass, so that the effective area of battery reduces, and then light conversion efficiency is caused to be lower.
Summary of the invention
The utility model embodiment is designed to provide a kind of solar cell module, can improve solar energy
While the product yield and reliability of battery, do not reduce the effective area of solar battery, guarantees that the light of solar battery turns
Change efficiency.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of solar cell module, comprising:
The solar battery for including: glass substrate and being set on the glass substrate, the solar battery include electrode layer,
The extraction electrode of the solar battery is formed on the electrode layer, which is characterized in that the glass substrate includes carrying institute
It states the first surface of solar battery, be oppositely arranged and deviate from the second surface of the solar battery with the first surface,
And the side of the connection first surface and the second surface, the side are equipped with electrode lead-out groove, the electrode draws
Slot runs through the first surface and the second surface out, is filled with conducting resinl in the electrode lead-out groove, the conducting resinl with
The extraction electrode electrical connection.
Electrode lead-out groove is arranged in terms of existing technologies, in the side of glass substrate in the utility model embodiment,
And electrode lead-out groove runs through the first surface and second surface of glass substrate, on the one hand, lead-out groove is located at glass substrate outer edge,
It can reduce the internal stress that the prior art is generated in the aperture of glass substrate central area, avoid in the prior art " in glass
The central area punching of glass be easy to cause glass to rupture, and then reduces product yield；The edge in hole can generate some small
Crackle leads to the risk for having rupture in later period use process, and then reduces the reliability of solar battery " the case where hair
It is raw, improve the product yield and reliability of solar battery；On the other hand, so that the position of electrode lead-out groove and glass edge
The distance of (i.e. the side of glass substrate) is without limitations, avoids occupying excessive glass substrate area to make solar battery
Effective area will not be reduced, and guarantee that the luminous efficiency of solar battery will not be due to the diminution of solar battery effective area
It is affected.
Optionally, the extraction electrode includes positive electrode and negative electrode, and the electrode lead-out groove includes that first electrode is drawn
Conducting resinl in slot and second electrode lead-out groove, the first electrode lead-out groove and the second electrode lead-out groove respectively with it is described
Positive electrode and negative electrode electrical connection.
Optionally, the solar cell module further includes the terminal box being set on the second surface, is set to institute
It states on second surface and the first conductive part of the be electrically connected conducting resinl and the terminal box and is set to the first surface
It goes up and the second conductive part of the be electrically connected extraction electrode and the conducting resinl.
Optionally, the material of second conductive part is the conducting resinl, and the solar cell module further includes covering
The protective layer of second conductive part.The protective mulch on conducting resinl effectively prevents conducting resinl and aoxidizes in air, prolongs
The service life of solar battery is grown.
Optionally, the protective layer includes the glue-line being arranged on second conductive part and is bonded in the glue-line
On insulation film.
Optionally, the electrode layer includes back electrode layer and preceding electrode layer, and the positive electrode and the negative electrode are set respectively
It is placed on the back electrode layer and the preceding electrode layer.
Optionally, the electrode layer includes back electrode layer and preceding electrode layer, and the positive electrode and the negative electrode are respectively provided with
In on the back electrode layer or being all set on the preceding electrode layer.
Optionally, the electrode lead-out groove connect with the first surface to be formed the first opening and with the second surface
Connect to forming the second opening, the bore of second opening is greater than the bore of first opening.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of existing solar cell module；
Fig. 2 is the planar structure schematic diagram for the solar cell module that the utility model first embodiment provides；
Fig. 3 is the three-view diagram for the solar cell module that the utility model first embodiment provides.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
Each embodiment of utility model is explained in detail.However, it will be understood by those skilled in the art that practical at this
In novel each embodiment, many technical details are proposed in order to make reader more fully understand the utility model.But even if
Without these technical details and various changes and modifications based on the following respective embodiments, the utility model also may be implemented and wanted
Seek the technical solution of protection.
The first embodiment of the utility model is related to a kind of solar cell module 100, referring to Fig. 1, comprising:
Glass substrate 1 and the solar battery 2 being set on glass substrate 1, solar battery 2 include electrode layer 21,
The extraction electrode (not shown go out) of solar battery is formed on electrode layer 21, glass substrate 1 includes carrying solar battery 2
First surface 11, the second surface 12 for being oppositely arranged and deviating from solar battery 2 with first surface 11, and connection first surface
11 and second surface 12 side 13, side 13 be equipped with electrode lead-out groove 130, electrode lead-out groove 130 run through first surface 11
With second surface 12, filled with conducting resinl (not shown go out) in electrode lead-out groove 130, conducting resinl is electrically connected with extraction electrode.It needs
It is noted that the A in Fig. 3 is that solar cell module 100 can see that the top view on the direction of first surface 11, B are too
Positive energy battery component 100 can see that the side view on the direction of electrode lead-out groove 130, C are that solar cell module 100 can be seen
Top view on the direction of second surface 12.
The utility model embodiment in terms of existing technologies, is arranged electrode in the side of glass substrate 1 13 and draws
Slot 130, and electrode lead-out groove 130 runs through the first surface 11 and second surface 12 of glass substrate 1, on the one hand, electrode lead-out groove
130 are located at 1 outer edge of glass substrate, can reduce the prior art and answer in the inside that 1 central area aperture of glass substrate generates
Power, avoids in the prior art that " punching be easy to cause glass to rupture in the central area of glass, and then reduces product yield；
The edge in hole can generate some small crackles, lead to the risk for having rupture in later period use process, and then reduce solar energy
The generation of the case where reliability of battery " improves the product yield and reliability of solar battery；On the other hand, so that it is electric
The position of pole lead-out groove 130 is without limitations at a distance from glass edge (i.e. the side 13 of glass substrate 1), avoids occupying excessively
1 area of glass substrate guarantees the luminous efficiency of solar battery to make the effective area of solar battery not to be reduced
It will not be affected because of the diminution of solar battery effective area.
The realization details of the solar cell module of present embodiment 100 is specifically described below, the following contents
Only for convenience of the realization details provided is understood, not implement the necessary of this programme.
In present embodiment, extraction electrode includes positive electrode (not shown go out) and negative electrode (not shown go out), electrode extraction
Slot 130 includes first electrode lead-out groove 1301 and second electrode lead-out groove 1302, first electrode lead-out groove 1301 and second electrode
Conducting resinl in lead-out groove 1302 is electrically connected with positive electrode and negative electrode respectively.It should be noted that the electricity in present embodiment
Pole layer 21 includes back electrode layer 212 and preceding electrode layer 213, and in one embodiment, positive electrode is formed on back electrode layer 212, is born
Before electrode is formed on electrode layer 213.
It is understood that solar cell module 100 further includes the terminal box 3 being set on second surface 12, setting
In on second surface 12 and the first conductive part 6 of be electrically connected conducting resinl and terminal box 3 and being set on first surface 11 and electricity
It is connected to the second conductive part 7 of extraction electrode and conducting resinl.
Preferably, the material of the second conductive part 7 is conducting resinl, and solar cell module 100 further includes that covering second is conductive
The protective layer (not shown go out) in portion 7.Since conducting resinl is directly contacted with air, the protective mulch on conducting resinl is effective anti-
Stop conducting resinl to aoxidize in air, extends the service life of solar battery.In addition, in the present embodiment, protective layer
Electrode layer can also be covered, to prevent electrode layer to be oxidized or be corroded by external environment, to further extend solar-electricity
The service life in pond.
Specifically, protective layer includes the glue-line being arranged on the conducting resinl and is bonded in exhausted on the glue-line
Edge film.It is understood that insulation film is the film that can guarantee good electrical insulating property, it is exhausted by being arranged on conducting resinl
Edge film, effectively avoids conducting resinl and extraneous object is in electrical contact, and further extend solar battery uses the longevity
Life.It is noted that the material of insulation film is preferably polyimides in present embodiment.Polyimides be comprehensive performance most
One of good high-molecular organic material has excellent mechanical performance, very high radiation-resistant property and good dielectric properties.
It is noted that in the present embodiment, conducting resinl is elargol, and elargol is a kind of solidification or has one after dry
Determine the adhesive of electric conductivity, it usually using matrix resin and conductive filler, that is, conducting particles as main constituents, passes through base
The bonding effect of body resin is combined together conducting particles, forms conductive path, realizes the conductive connection for being glued material.It is conductive
Elargol simple process, it is easily operated, production efficiency can be improved, avoid environmental pollution caused by heavy metal lead in tin-lead solder.
Conductive silver glue is also substitution slicker solder welding, realizes the ideal chose of conductive connection.
It is understood that as shown in figure 3, electrode lead-out groove 130 connect with first surface 11 to be formed the first opening 1303,
And connect with second surface 12 and to form the second opening 1304, the bore of the second opening 1304 is greater than the bore of the first opening 1303.
Such structure is easier conducting resinl 3 in injecting electrode lead-out groove 130, so that the packaging technology of solar cell module is more
It is easy.In addition, electrode lead-out groove 130 is usually dovetail groove.
Preferably, the solar battery in this implementation can be thin-film solar cells, and thin-film solar cells is to alleviate
The novel photovoltaic device of energy crisis.Thin-film solar cells can be used cheap ceramics, graphite, sheet metal etc. no
Work as substrate with material to manufacture, the film thickness that formation can produce voltage only needs several μm, and transfer efficiency highest can reach at present
13%.Hull cell solar cell is other than plane, also because having pliability that can be fabricated to its application of non-planar configuration
Range is big, in conjunction with building or can become some of building body, very widely used.
Second embodiment of the present invention is related to a kind of solar cell module 200, and second embodiment is implemented with first
Mode is roughly the same, is in place of the main distinction: electrode layer 21 includes back electrode layer 212 and preceding electrode layer 213, positive electrode and negative
Electrode is all set on back electrode layer 212 or preceding electrode layer 213.It is designed in this way, enables electrode lead-out groove 130 that side is set
Any position in face 13, to make the structure diversification of thin-film solar cells 2, process flow is simplified.Those skilled in the art
Member is it is appreciated that present embodiment can reach technical effect same as the first embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (8)
1. a kind of solar cell module, including glass substrate and the solar battery being set on the glass substrate, institute
Stating solar battery includes electrode layer, and the extraction electrode of the solar battery is formed on the electrode layer, which is characterized in that
The glass substrate includes the first surface for carrying the solar battery, is oppositely arranged with the first surface and deviates from described
The second surface of solar battery, and the side of the connection first surface and the second surface, the side is equipped with
Electrode lead-out groove, the electrode lead-out groove run through the first surface and the second surface, filling in the electrode lead-out groove
There is conducting resinl, the conducting resinl is electrically connected with the extraction electrode.
2. solar cell module according to claim 1, which is characterized in that the extraction electrode includes positive electrode and bears
Electrode, the electrode lead-out groove include first electrode lead-out groove and second electrode lead-out groove, the first electrode lead-out groove and institute
The conducting resinl in second electrode lead-out groove is stated to be electrically connected with the positive electrode and the negative electrode respectively.
3. solar cell module according to claim 2, which is characterized in that the solar cell module further includes setting
The terminal box that is placed on the second surface is set on the second surface and the be electrically connected conducting resinl and the terminal box
The first conductive part and be set on the first surface and the second of the be electrically connected extraction electrode and the conducting resinl leads
Electric portion.
4. solar cell module according to claim 3, which is characterized in that the material of second conductive part is conduction
Elargol, the solar cell module further include the protective layer for covering second conductive part.
5. solar cell module according to claim 4, which is characterized in that the protective layer includes setting described the
Glue-line on two conductive parts and the insulation film being bonded on the glue-line.
6. solar cell module according to claim 2, which is characterized in that the electrode layer includes back electrode layer and preceding
Electrode layer, the positive electrode and the negative electrode are respectively arranged on the back electrode layer and the preceding electrode layer.
7. solar cell module according to claim 2, which is characterized in that the electrode layer includes back electrode layer and preceding
Electrode layer, the positive electrode and the negative electrode are all set on the back electrode layer or are all set on the preceding electrode layer.
8. solar cell module according to claim 1, which is characterized in that the electrode lead-out groove and first table
Face connects to forming the first opening and connect to forming the second opening with the second surface, and the bore of second opening is greater than institute
State the bore of the first opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352813.7U CN208655663U (en) | 2018-08-21 | 2018-08-21 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352813.7U CN208655663U (en) | 2018-08-21 | 2018-08-21 | Solar cell module |
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| Publication Number | Publication Date |
|---|---|
| CN208655663U true CN208655663U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821352813.7U Active CN208655663U (en) | 2018-08-21 | 2018-08-21 | Solar cell module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037368A (en) * | 2018-08-21 | 2018-12-18 | 北京铂阳顶荣光伏科技有限公司 | Solar cell module and electrode lead-out method |
-
2018
- 2018-08-21 CN CN201821352813.7U patent/CN208655663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037368A (en) * | 2018-08-21 | 2018-12-18 | 北京铂阳顶荣光伏科技有限公司 | Solar cell module and electrode lead-out method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100176 Beijing Daxing District Beijing economic and Technological Development Zone Rongchang East Street 7 hospital 6 Building 3001 room. Patentee after: Beijing Dingrong Photovoltaic Technology Co.,Ltd. Address before: 100176 room 3001, 6 building, 7 East Street, Rongchang economic and Technological Development Zone, Beijing, Beijing Patentee before: BEIJING APOLLO DING RONG SOLAR TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210402 Address after: Room 201, Building A, 1 Qianwan Road, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, Guangdong Province Patentee after: Shenzhen Zhengyue development and Construction Co.,Ltd. Address before: 100176 Beijing Daxing District Beijing economic and Technological Development Zone Rongchang East Street 7 hospital 6 Building 3001 room. Patentee before: Beijing Dingrong Photovoltaic Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210831 Address after: No.66210, 3rd floor, Pudong Free Trade Zone, Shanghai, China Patentee after: Shanghai zuqiang Energy Co.,Ltd. Address before: Room 201, Building A, 1 Qianwan Road, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, Guangdong Province Patentee before: Shenzhen Zhengyue development and Construction Co.,Ltd. |
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| TR01 | Transfer of patent right |